Fujitsu MB15F74UV 사용자 설명서

7

(Continued)

 (V

CC

 

=

 2.7 V to 3.6 V, Ta 

=

 

−

40 

°

C to 

+

85 

°

C)

*1 : Conditions ; fosc 

=

 12.8 MHz, Ta 

=

 

+

25 

°

C, SW 

=

 “0” in locking state.

*2 : V

CCIF

 

=

 V

CCRF

 

=

 3.0 V, fosc 

=

 12.8 MHz, Ta 

=

 

+

25 

°

C, in power saving mode.

 PS

IF

 

=

 PS

RF

 

=

 GND

 V

IH

 

=

 V

CC

, V

IL

 

=

 GND (at CLK, Data, LE) 

*3 : AC coupling. 1000 pF capacitor is connected under the condition of Min operating frequency.

*4 : The symbol “–” (minus) means the direction of current flow.

*5 : V

CC

 

=

 3.0 V, Ta 

=

 

+

25 

°

C (||I

3

| 

−

 |I

4

||)  

/

 [ (|I

3

| 

+

 |I

4

|)  

/

 2] 

×

 100 (

%

) 

*6 : V

CC

 

=

 3.0 V, Ta 

=

 

+

25 

°

C [ (||I

2

| 

−

 |I

1

||) 

/

 2] 

/

 [ (|I

1

| 

+

 |I

2

|)  

/

 2] 

×

 100 (

%

)  (Applied to both l

DOL

 and l

DOH

) 

*7 : V

CC

 

=

 3.0 V, [||I

DO

 (

+

85

 

°

C) | 

−

 |I

DO

 (

–40

 

°

C) || 

/

 2] 

/

 [|I

DO

 (

+

85

 

°

C) | 

+

 |I

DO

 (

–40

 

°

C) | 

/

 2] 

×

 100 (

%

)  (Applied to both I

DOL

 and I

DOH

) 

*8 : When Charge pump current is measured, set LDS 

=

 “0” , T1 

=

 “0” and T2 

=

 “1”.

Charge pump
current rate

I

DOL

/I

DOH

I

DOMT

 

*

5

V

DO

 

=

 V

CC

 

/

 2



3

10

%

 vs V

DO

I

DOVD

 

*

6

0.5 V 

≤

 V

DO

 

≤

 V

CC

 

−

 0.5 V



10

15

%

vs Ta

I

DOTA

 

*

7

−

40 

°

C 

≤

 Ta 

≤

 85 

°

C, 

V

DO

 

=

 V

CC

 

/

 2



5

10

%

I

DOL

I

1

I

3

I

2

I

1

I

4

I

2

0.5

V

CC

/2

V

CC

 

−

 0.5 

V

CC

I

DOH

Charge pump output voltage (V)